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Questions tagged [backflow-preventer]

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50 views

Is my irrigation system winterized properly?

I had a sprinkler specialist come over today to winterize my sprinkler system. I live in northwestern oregon (portland) and I'm trying to figure out if he properly winterized the system or if I need ...
1
vote
1answer
61 views

Can this water valve be replaced as a separate component?

Crack in bottom part of backflow preventer can you just replace this part or do you have to buy entire unit?? Thanks, Eileen
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0answers
34 views

Irrigation system: Backflow Preventer -> Master Valve vs Master Valve -> Backflow Preventer

I am in the process of designing my irrigation system, and I saw many people install the backflow preventer (reduced pressure zone device) first and then connect to an automatic master valve. However,...
3
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1answer
138 views

Why did my febco backflow preventer fail?

I'm working as a handyman for a non-profit, and they have an in-ground irrigation system that has been off for a while because "there was a geyser." I successfully determined that the geyser was ...
0
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1answer
172 views

How to prevent the washing machine outlet from backflowing to other devices

I have a washing machine that drains into a sink standpipe. I also have a clothes dryer that drains to sewage or greywater plumbing. When I connect the two via a T-piece with the dryer inlet at the ...
0
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0answers
21 views

access to backflow preventer assembly

My backflow preventer assembly access is in my basement and its right below the proposed vanity space in our proposed basement bathroom.(we have planned a 48 inch vanity , but if i cut down to a 36 ...
0
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1answer
40 views

What type of Piping for Reduced Pressure Backflow Preventor for Irrigation System

Looking into installing a above ground reduced pressure backflow preventor for my irrigation system. Looking at many examples and videos online, I saw different types of piping from PVC, Copper and ...
0
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2answers
929 views

Sprinkler System Low Pressure

Is there a way to determine if my sprinkler system has a pressure regulator installed? My neighbor and I both built our houses with the same builder at the same time, but had different landscaping ...
0
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0answers
193 views

Reinstalling backflow preventer. Do I need glue or grease or anything else

I am going to reattach my backflow preventer today (save 125 vs calling company). Do I need to apply any plumber grease or pipe glue to the pvc portion? Here are some pics of the preventer and place ...
0
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0answers
232 views

Is my vacuum breaker working properly?

I am in a newly rented house around 1 week and I don't know a thing about plumbing (not yet and I love projects for DIY). So my question is regarding this: I find this attached to the outdoor pipe ...